[jboss-jira] [JBoss JIRA] Commented: (JBRULES-2881) sliding window:length(1) sticks to old event
[
https://issues.jboss.org/browse/JBRULES-2881?page=com.atlassian.jira.plug...
]
Edson Tirelli commented on JBRULES-2881:
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Great catch Wolfgang. The problem was still there, as the engine was not correctly
processing the behaviors for the first pattern in the rule. Now the result is the correct
one:
BA: ( 2, 3 )
AB: ( 3, 2 )
BA: ( 1, 3 )
AB: ( 3, 1 )
BA: ( 1, 2 )
AB: ( 2, 1 )
sliding window:length(1) sticks to old event
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Key: JBRULES-2881
URL: https://issues.jboss.org/browse/JBRULES-2881
Project: Drools
Issue Type: Bug
Security Level: Public(Everyone can see)
Components: drools-core, drools-core (fusion)
Affects Versions: 5.1.1.FINAL
Reporter: Wolfgang Laun
Assignee: Edson Tirelli
Priority: Critical
Fix For: 5.2.0.CR1
A rule combining two events of type A and B, each "seen" through a sliding
window of length 1 misfires. Rather that combining the latest A with the latest B, it
keeps firing the latest B together with *all* old A's.
Interestingly, this effect disappears if the order of patterns in the rule is inverted.
Given the event sequence: A, A, B, A, B, the
rule ab when A() over window:length(1) B() over window:length(1) then ... end
misfires, but
rule ba when B() over window:length(1) A() over window:length(1) then ... end
works correctly.
This may be related to JBRULES-2862.
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